These things can actually cause damage, these things are synthetic, meaning they're xenobiotics, meaning they're foreign to the body, meaning they'll stimulate inflammation and inflammation is intimately tied to carcinogenesis.

这些东西实际上造成损害，这些东西成的，这意味着们异生素，这意味着们对身体来说外来的，这意味着们激炎症，而炎症与致癌密切相关。

The role of UVA rays is less well understood and appears to have an effect on our tanning response, carcinogenesis, and aging.

但对 UVA 射线的作用的了解还不够全，引发照射反应，导致皮肤癌变，以及衰老。

These things are synthetic, meaning they're xenobiotics, meaning they're foreign to the body, meaning they'll stimulate inflammation, and inflammation is intimately tied to carcinogenesis.

这些物质成的，也就说们外源性化物，意味着们对人体异物，激炎症，而炎症与癌症的发生密切相关。

So it did this, which I'm not aware of any carcinogens that they actually decrease in terms of the risk, like carcinogenesis as they go up in like the concentration.

所以确实发生了这种情况， 我不知道有任何致癌物在风险方实际上降低，就像致癌作用随着浓度的上升而增加一样。